RIOT-OS/RIOT
RIOT-OS/RIOT
1
0
Fork 0
mirror of https://github.com/RIOT-OS/RIOT.git synced 2025-01-17 05:12:57 +01:00
Code Releases Activity

boards/nucleo-f207zg: configure and use DMA

Browse Source
This commit is contained in:
Alexandre Abadie 2019-01-07 16:02:21 +01:00 committed by Vincent Dupont
parent 8a9d9e70bc
commit 3a5c9cb921
3 changed files with 49 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
boards/nucleo-f207zg/Makefile.dep
View File

@ -1 +1,3 @@
FEATURES_REQUIRED += periph_dma
include $(RIOTBOARD)/common/nucleo/Makefile.dep

1
boards/nucleo-f207zg/Makefile.features
View File

@ -1,4 +1,5 @@
# Put defined MCU peripherals here (in alphabetical order)
FEATURES_PROVIDED += periph_dma
FEATURES_PROVIDED += periph_i2c
FEATURES_PROVIDED += periph_pwm
FEATURES_PROVIDED += periph_rtc

60
boards/nucleo-f207zg/include/periph_conf.h
View File

@ -29,6 +29,31 @@
extern "C" {
#endif
/**
* @name DMA streams configuration
* @{
*/
#ifdef MODULE_PERIPH_DMA
static const dma_conf_t dma_config[] = {
{ .stream = 10 }, /* DMA2 Stream 2 - SPI1_RX */
{ .stream = 11 }, /* DMA2 Stream 3 - SPI1_TX */
{ .stream = 3 }, /* DMA1 Stream 3 - SPI2_RX/USART3_TX */
{ .stream = 4 }, /* DMA1 Stream 4 - SPI2_TX */
{ .stream = 14 }, /* DMA2 Stream 6 - USART6_TX */
{ .stream = 6 }, /* DMA1 Stream 6 - USART2_TX */
};
#define DMA_0_ISR isr_dma2_stream2
#define DMA_1_ISR isr_dma2_stream3
#define DMA_2_ISR isr_dma1_stream3
#define DMA_3_ISR isr_dma1_stream4
#define DMA_4_ISR isr_dma2_stream6
#define DMA_5_ISR isr_dma1_stream6
#define DMA_NUMOF (sizeof(dma_config) / sizeof(dma_config[0]))
#endif
/** @} */
/**
* @name PWM configuration
* @{
@ -100,8 +125,8 @@ static const uart_conf_t uart_config[] = {
.tx_af = GPIO_AF7,
.bus = APB1,
.irqn = USART3_IRQn,
#ifdef UART_USE_DMA
.dma_stream = 3,
#ifdef MODULE_PERIPH_DMA
.dma = 2,
.dma_chan = 4
#endif
},
@ -114,9 +139,9 @@ static const uart_conf_t uart_config[] = {
.tx_af = GPIO_AF8,
.bus = APB2,
.irqn = USART6_IRQn,
#ifdef UART_USE_DMA
.dma_stream = 6,
.dma_chan = 4
#ifdef MODULE_PERIPH_DMA
.dma = 4,
.dma_chan = 5
#endif
},
{
@ -128,21 +153,16 @@ static const uart_conf_t uart_config[] = {
.tx_af = GPIO_AF7,
.bus = APB1,
.irqn = USART2_IRQn,
#ifdef UART_USE_DMA
.dma_stream = 7,
#ifdef MODULE_PERIPH_DMA
.dma = 5,
.dma_chan = 4
#endif
},
};
#define UART_0_ISR (isr_usart3)
#define UART_0_DMA_ISR (isr_dma1_stream3)
#define UART_1_ISR (isr_usart6)
#define UART_1_DMA_ISR (isr_dma1_stream6)
#define UART_2_ISR (isr_usart2)
#define UART_2_DMA_ISR (isr_dma1_stream7)
#define UART_NUMOF (sizeof(uart_config) / sizeof(uart_config[0]))
/** @} */
@ -180,7 +200,13 @@ static const spi_conf_t spi_config[] = {
.cs_pin = GPIO_PIN(PORT_A, 4),
.af = GPIO_AF5,
.rccmask = RCC_APB2ENR_SPI1EN,
.apbbus = APB2
.apbbus = APB2,
#ifdef MODULE_PERIPH_DMA
.tx_dma = 1,
.tx_dma_chan = 3,
.rx_dma = 0,
.rx_dma_chan = 3,
#endif
},
{
.dev = SPI2,
@ -190,7 +216,13 @@ static const spi_conf_t spi_config[] = {
.cs_pin = GPIO_PIN(PORT_B, 12),
.af = GPIO_AF5,
.rccmask = RCC_APB1ENR_SPI2EN,
.apbbus = APB1
.apbbus = APB1,
#ifdef MODULE_PERIPH_DMA
.tx_dma = 3,
.tx_dma_chan = 0,
.rx_dma = 2,
.rx_dma_chan = 0,
#endif
}
};